OpenTechnical

OT-2026-000042319

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000042319) never changes.

Identity and time

Publication numberOT-2026-000042319 · never reused
Internal UUID01a0ae7a-5d74-7ed2-af90-670e1dd92401 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042319
StatusPUBLIC

Content hashes

Canonical text583e2f0ea0b0dd0e3516c0054b9d5336f8427a8fe71aa25b8161b357d475c88a
Markdown630843b9870c08ae7aad82efbc1dd6ab2bcdb1dc160d26050bd645617eed6673
PDF
Publication pagef51239fa8473554c9c1723835627540e34d561db8838d14d1cbcc6e74dba6607
Manifestcc2ea56b41ca68b2a970ce59a1e6344b6fa510c0e7663bb0179dd27daa24a531

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureVFtKQTLXS4TETnQd/7u7r/DsPOcG87E/O2mH3eST1wGAQhJMTKPgLLRkJ+MkwU2cuMtLmMkcDshS4FPVXJR5DA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:16:01.345272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042319
observed f51239fa8473554c9c1723835627540e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:01.329652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042319/manifest.json
observed cc2ea56b41ca68b2a970ce59a1e6344b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:01.309397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042319/publication.md
observed 630843b9870c08ae7aad82efbc1dd6ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:01.290858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042319/publication.txt
observed 583e2f0ea0b0dd0e3516c0054b9d5336...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.